Added graying out of menus and buttons

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@551 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/button.h

@@ -59,6 +59,7 @@ class wxButton: public wxControl
            const wxString& name = wxButtonNameStr);
     void SetDefault(void);
     void SetLabel( const wxString &label );
+    void Enable( bool enable );
 };
 
 #endif // __GTKBUTTONH__

include/wx/gtk1/menu.h

@@ -93,7 +93,7 @@ public:
   bool IsSubMenu() const { return m_subMenu != NULL; }
 
     // state
-  void Enable(bool enable = TRUE) { m_isEnabled = enable; }
+  void Enable( bool enable = TRUE ); 
   bool IsEnabled() const { return m_isEnabled; }
   void Check( bool check = TRUE );
   bool IsChecked() const;